Energy-Saving Electric Combi Boiler for Efficient Home Heating
Product Specifications
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760X480X320
mm
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Product Details
| Customization: | Available |
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| After-sales Service: | 1% Spare Part |
| Warranty: | 3 |
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Manufacturer/Factory & Trading Company
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Year of Establishment
2017-03-06
Number of Employees
44
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Basic Info.
- Model NO.
- HBG-16B
- Brand
- Doublemax
- Installation
- Wall-Mounted
- Power (W)
- 32kw
- Exhaust Way
- Forced Exhaust Flue
- Gas Heater Type
- Gas Heating
- Ignition
- Electronic Pulse Ignited
- Heating Area
- up to 249 FT²
- Material
- Metal
- Overheat Protection
- Yes
- Power Source
- Gas
- Use
- Bathroom, Bedroom, Living Room
- Energy Efficiency Rating
- Class a
- Heat Efficiency
- Over 90%
- Display Type
- LED
- APP-Controlled
- No
- Voltage (V)
- 110-220V
- Transport Package
- 760X480X320 84
- Specification
- 660X410X253
- Trademark
- oublemax
- Origin
- China
- HS Code
- 841810
- Production Capacity
- 200000/Year
Packaging & Delivery
- Package Size
- 760.00cm * 480.00cm * 320.00cm
- Package Gross Weight
- 30.000kg
Product Description
Energy-Saving Electric Combi Boiler for Efficient Home Heating
Our wall-hung gas boiler offers heating & hot water. Durable, efficient, user-friendly, ideal for apartments, villas, and homes. Non-condensing, atmospheric or fan-assisted combustion, fits markets with stable gas.
Specification
Product Advantages:
Product Advantages:
Dual Function: Central heat + hot water
Compact Design: Easy install, space-saving
Intelligent Control: Constant temp, LED display
Safe Operation: Multiple protections
Flexible Customization: Panel, logo, color, language
Suitable for various residential uses
Dual Function: Central heat + hot water
Compact Design: Easy install, space-saving
Intelligent Control: Constant temp, LED display
Safe Operation: Multiple protections
Flexible Customization: Panel, logo, color, language
Suitable for various residential uses
Application:
Residential homes
Apartments
Hotels
Villas
Residential homes
Apartments
Hotels
Villas
Certifications:
CE / ISO9001 / ERP (if applicable)
Gas approval for specific markets
CE / ISO9001 / ERP (if applicable)
Gas approval for specific markets
Key Configurations
1. High Energy Efficiency
2. Constant Temperature Control
3. Compact & Space-Saving Design
4. Reliable Safety Protection
5. Quiet Operation
6. Fast Heating & Stable Output
7. User-Friendly Interface
8. Compatible with Different Gas Types
right elevation
left elevation
front elevation
Technical Specifications
(Custom configurations available upon request.)
Parameter | Description |
Rated Heat Input | 18 / 20 / 24 / 28 / 32 kW (optional) |
Rated Heat Output | Same as input (non-condensing type) |
Gas Type | 0.8–1.2 |
Heating Temperature Range | 6.2 |
Domestic Hot Water Output | 9.5 |
Hot Water Temperature Range | 35°C – 60°C (adjustable) |
Efficiency | ≥ 88% |
Ignition System | Automatic electric ignition |
Display | LED Digital Display |
Safety Functions | Overheating protection, Anti-dry burn, Flame failure protection, Overpressure protection, Anti-freeze |
Noise Level | ≤ 45 dB |
Power Supply | AC 220V / 50Hz |
Exhaust Type | Forced Exhaust / Balanced Flue |
Installation | Wall-mounted |
Dimensions | 780*480*320 |
Net Weight | 28 – 34 kg (depending on model) |
Housing Material | White powder-coated steel panel (optional stainless steel) |
Packaging & Delivery
Packaging Details
Boilers packed with export-grade protection for safe delivery over long distances.
Each unit boxed in high-strength corrugated carton, reinforced EPE foam, anti-vibration to prevent impact, compression, and moisture.
Boilers packed with export-grade protection for safe delivery over long distances.
Each unit boxed in high-strength corrugated carton, reinforced EPE foam, anti-vibration to prevent impact, compression, and moisture.
Standard Package Includes
Wall-hung gas boiler unit
Mounting bracket & installation kit
User manual (English)
Warranty card
Wall-hung gas boiler unit
Mounting bracket & installation kit
User manual (English)
Warranty card
Packaging Features
Export-grade 5-layer corrugated carton
High-density foam for corner/side protection
Anti-drop, anti-vibration, moisture-resistant features
Clear printing of model labels, barcodes, handling marks
OEM logo/design packaging available upon request
Export-grade 5-layer corrugated carton
High-density foam for corner/side protection
Anti-drop, anti-vibration, moisture-resistant features
Clear printing of model labels, barcodes, handling marks
OEM logo/design packaging available upon request
Delivery Details
Lead Time: 25–35 days after deposit & artwork confirmation
OEM/ODM: Supported
Loading Port: Shenzhen/Nansha (or as requested)
Supply Ability: 5000 units/month (adjustable)
Lead Time: 25–35 days after deposit & artwork confirmation
OEM/ODM: Supported
Loading Port: Shenzhen/Nansha (or as requested)
Supply Ability: 5000 units/month (adjustable)
20KW | 24KW | 28KW | 32KW | 40KW | |
NW (kg) | 26 | 27 | 34 | 35 | 39 |
GW (kg) | 29 | 30 | 37 | 38 | 42 |
Product size (mm) | 660X410X253 | 660X410X253 | 740*410*305 | 740*410*305 | 740*460*330 |
Packing size (mm) | 760X480X320 | 760X480X320 | 840*485*398 | 840*485*398 | 840*525*430 |
After Sales Service
1. Warranty Policy
1-year warranty from shipment or 18 months from production, whichever first.
Free parts for defects from manufacturing/material issues within warranty.
Excludes damages from incorrect installation, misuse, or external factors.
2. Technical Support
24-hour online support via email, video call, or instant messaging.
Installation manuals, diagrams, and troubleshooting guides included.
Remote training for distributors or technicians available on request.
3. Spare Parts Supply
Spare parts available for at least 5 years post-shipment.
Common parts in stock for quick replacement.
Spare parts catalog available for ordering and maintenance.
4. OEM / ODM Support
Customization: logo, panel design, packaging, manual localization.
Technical drawings, reports, and documentation for partners.
5. Customer Feedback & Service Response
Inquiries and complaints answered within 24 hours.
Replacement or compensation for confirmed quality issues per warranty.
Regular feedback follow-up for satisfaction and reliability.
6. Installation & Maintenance Assistance (Optional)
On-site installation training or video demo for bulk orders.
Manual includes maintenance tips for safe, long-term boiler operation.
1-year warranty from shipment or 18 months from production, whichever first.
Free parts for defects from manufacturing/material issues within warranty.
Excludes damages from incorrect installation, misuse, or external factors.
2. Technical Support
24-hour online support via email, video call, or instant messaging.
Installation manuals, diagrams, and troubleshooting guides included.
Remote training for distributors or technicians available on request.
3. Spare Parts Supply
Spare parts available for at least 5 years post-shipment.
Common parts in stock for quick replacement.
Spare parts catalog available for ordering and maintenance.
4. OEM / ODM Support
Customization: logo, panel design, packaging, manual localization.
Technical drawings, reports, and documentation for partners.
5. Customer Feedback & Service Response
Inquiries and complaints answered within 24 hours.
Replacement or compensation for confirmed quality issues per warranty.
Regular feedback follow-up for satisfaction and reliability.
6. Installation & Maintenance Assistance (Optional)
On-site installation training or video demo for bulk orders.
Manual includes maintenance tips for safe, long-term boiler operation.
Company Profile
Zhongshan doublemax Co., Ltd.
Equipped with advanced production lines & R&D center, we strictly control quality.
Our products are sold globally, especially in Europe, SE Asia, Middle East, S America.
Over 50% of our products are CE, CB, ETL certified. Received ISO9001 and TUV.
For 21 years, we’ve earned honors and patents, praised by customers worldwide.
Over 50% of our products are CE, CB, ETL certified. Received ISO9001 and TUV.
For 21 years, we’ve earned honors and patents, praised by customers worldwide.
With customer trust, government support, and teamwork, we create smart, green products.
Why Choose Us?
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Competitive pricing & bulk discounts
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FAQ
1. What is your main product line is made?
We produce built-in stoves, gas water heaters, gas boilers, range hoods, and microwaves.
2.Your factory or trading company?
We are a factory offering OEM & ODM services.
3.What is your main market?
Our main markets: Middle East, South America, Europe, Russia, Africa, and more.
4.You have the ability to do independent research and development?
Our 10-person engineering team manages R&D and product launches monthly.
5.If I have a question I would like advice on how to contact you?
Contact us via SNS platforms or email for inquiries and advice.
6. What services do you provide?
Let us know if you're a factory, wholesaler, purchaser, dealer, consumer, or in engineering or design. We'll provide detailed explanations and answer questions. For service dissatisfaction, contact us via email or phone. Thank you.
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